#!/bin/bash
function s1_goto_dir() {
    cd "$1"
}

function s2_touch_empty_file_with_given_name() {
    touch "$1"   
}

function s3_make_directories() {
    mkdir -p projects/git projects/backup
}

function s4_create_6_files() {
    touch ./projects/linux{1,2}_{centos,redhat,c_programming}
}


function s5_make_directories_in_git() {
    mkdir -p ./projects/git/linux{1,2}
}

function s6_move_files_to_dir_1_or_2(){
    mv ./projects/linux1* ./projects/git/linux1/
    mv ./projects/linux2* ./projects/git/linux2/
}

function s7_create_package_and_compress(){
    tar -czvf ./projects/backup/git.tar.gz ./projects/git
}

function s8_delete_dir_git() {
    rm -rf projects/git
}
function s9_recover_from_git_tar_gz_backup() {
    tar -zxvf ./projects/backup/git.tar.gz ./projects/
}

function s10_create_package_and_compress() {
    tar -jcvf ./projects/backup/git.tar.bz2 ./projects/git
}
function s11_find_and_sort_alphabetically_all_created_files_and_dirs() {
    find ./projects | sort
}

function s12_get_next_15_minutes_boundary() {
    current_time=$(date +%s)
    next_multiple=$(( (current_time + 889) / 900 * 900 ))
    formatted_time=$(date -d @$next_multiple +"%Y-%m-%d_%H:%M:%S")
    echo "$formatted_time"     
}